September weather forecastSondu, Kenya

September

Weather in September

The first month of the spring, September, is still a pleasant month in Sondu, Kenya, with temperature in the range of an average low of 11.5°C (52.7°F) and an average high of 22.4°C (72.3°F).

Temperature

Sondu's average high-temperature in September is a still pleasant 22.4°C (72.3°F), marking an insignificant difference from the 21.1°C (70°F) of August. Throughout September, Sondu records an average temperature of 11.5°C (52.7°F) at night.

Humidity

In September, the average relative humidity is 79%.

Rainfall

In Sondu, in September, it is raining for 27.5 days, with typically 140mm (5.51") of accumulated precipitation. In Sondu, during the entire year, the rain falls for 300.9 days and collects up to 1768mm (69.61") of precipitation.

Daylight

The average length of the day in September is 12h and 7min.
On the first day of the month, sunrise is at 06:36 and sunset at 18:43. On the last day of September, sunrise is at 06:26 and sunset at 18:33 EAT.

Sunshine

In September, the average sunshine is 9.3h.

UV index

January through May, August through December, with an average maximum UV index of 5, are months with the highest UV index. A UV Index of 3 to 5 symbolizes a moderate health risk from unprotected exposure to Sun's UV rays for the ordinary person.
Note: The maximum UV index of 5 during September translates into these guidelines:
Exercise prevention - Protecting skin and eyes from harm is required. The midday Sun can be harmful due to its potent UV radiation; seek shade and reduce exposure. Boost your sun resistance with garments that are densely woven yet spacious.

Updated: Aug 5, 2024
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

September temperatures vary between a high-temperature of 22.4°C (72.3°F) and a low-temperature of 11.5°C (52.7°F).

In Sondu, the average relative humidity in September is 79%.

In Sondu, during September, the rain falls for 27.5 days and regularly aggregates up to 140mm (5.51") of precipitation.

In September, the average day length is 12h and 7min.

In September, on the first day of the month, sunrise is at 06:36 and sunset at 18:43. On the last day of the month, sunrise is at 06:26 and sunset at 18:33 EAT.

In September, the average sunshine duration is 9.3h.

The months with the highest UV index are January through May, August through December, with an average maximum UV index of 5.

The average daily maximum UV index in September is 5. A UV Index estimate of 3 to 5 represents a medium hazard to health from unprotected exposure to UV radiation.

Today

Tomorrow

Long-term

Year J F M A M J J A September O N D

Aug

September

Oct

Average high temperature

21.1°C

22.4°C

23.1°C

Average low temperature

Average pressure

Average wind speed

Average max. wind speed

6.5km/h

6.3km/h

7.5km/h

Average wind speed gusts

Average humidity

Average rainfall

Average rainfall days

Average daylight

Average sunshine

Average sunshine days

1.3

1.1

0.8

Average UV index

Average cloud cover

Average visibility

Average temperature in September
Sondu, Kenya

Average high temperature in September: 22.4°C

The warmest month (with the highest average high temperature) is February (25.8°C).
The month with the lowest average high temperature is July (20°C).

Average low temperature in September: 11.5°C

The months with the highest average low temperature are February and March (12.8°C).
The coldest month (with the lowest average low temperature) is July (10.9°C).

Average pressure in September
Sondu, Kenya

Average pressure in September: 1014.7mbar

The months with the highest atmospheric pressure are June and July (1016mbar).
The month with the lowest atmospheric pressure is February (1012.9mbar).

Average wind speed in September
Sondu, Kenya

Average wind speed in September: 6km/h

The windiest month (with the highest average wind speed) is February (9.5km/h).
The calmest month (with the lowest average wind speed) is June (5.6km/h).

Average humidity in September
Sondu, Kenya

Average humidity in September: 79%

The months with the highest relative humidity are May and June (88%).
The month with the lowest relative humidity is February (61%).

Average rainfall in September
Sondu, Kenya

Average rainfall in September: 140mm

The wettest month (with the highest rainfall) is April (246mm).
The driest month (with the least rainfall) is February (48mm).

Average rainfall days in September
Sondu, Kenya

Average rainfall days in September: 27.5 days

The month with the highest number of rainy days is May (30.1 days).
The month with the least rainy days is February (13.6 days).

Average daylight in September /
Average sunshine in September
Sondu, Kenya

Average daylight in September: 12h and 6min

The month with the longest days is December (Average daylight: 12h and 6min).
The month with the shortest days is June (Average daylight: 12h and 6min).

Average sunshine in September: 9h and 18min

The month with the most sunshine is February (Average sunshine: 9h and 42min).
The months with the least sunshine are April, May and June (Average sunshine: 8h and 24min).

Average sunshine days in September
Sondu, Kenya

Average sunshine days in September: 1.1 days

The month with the most sunshine days is January (11.9 days).
The month with the least sunshine days is May (0.6 days).

Average UV index in September
Sondu, Kenya

Average UV index in September: 5

The months with the highest UV index are January, February, March, April, May, August, September, October, November and December (UV index 5).
The months with the lowest UV index are June and July (UV index 4).